Another Kieslowski Film

I'm watching No End, a little Polish film from the eighties.
Kieslowski is a genius.


Film poster

Surprising Ancient Zircons

Constraints on Hadean zircon protoliths from oxygen isotopes, Ti-thermometry, and rare earth elements one of the coauthors of this paper is named "Dustin Trail"!
Oxygen-isotope evidence from ancient zircons for liquid water at the Earth's surface 4,300 Myr ago
4.4 billion years of crustal maturation: oxygen isotope ratios of magmatic zircon

Here's a nice summary as of July 2007:GEOLOGY: Early Earth Mirrored in Zircon